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Article Dans Une Revue BMC Cancer Année : 2024

Impact of the Sars-Cov-2 outbreak on the initial clinical presentation of new solid cancer diagnoses: a systematic review and meta-analysis

Simon Marty
  • Fonction : Auteur
Guillaume Lamé
Etienne Guével
  • Fonction : Auteur
Sonia Priou
Gilles Chatellier
  • Fonction : Auteur
Christophe Tournigand
  • Fonction : Auteur
  • PersonId : 1278482
Emmanuelle Kempf

Résumé

Background The COVID-19 pandemic might have delayed cancer diagnosis and management. The aim of this systematic review was to compare the initial tumor stage of new cancer diagnoses before and after the pandemic. Methods We systematically reviewed articles that compared the tumor stage of new solid cancer diagnoses before and after the initial pandemic waves. We conducted a random-effects meta-analysis to compare the rate of metastatic tumors and the distribution of stages at diagnosis. Subgroup analyses were performed by primary tumor site and by country. Results From 2,013 studies published between January 2020 and April 2022, we included 58 studies with 109,996 patients. The rate of metastatic tumors was higher after the COVID-19 outbreak than before (pooled OR: 1.29 (95% CI, 1.06-1.57), I 2 : 89% (95% CI, 86-91)). For specific cancers, common ORs reached statistical significance for breast (OR: 1.51 (95% CI 1.07-2.12)) and gynecologic (OR: 1.51 (95% CI 1.04-2.18)) cancers, but not for other cancer types. According to countries, common OR (95% CI) reached statistical significance only for Italy: 1.55 (1.01-2.39) and Spain: 1.14 (1.02-1.29). Rates were comparable for stage I-II versus III-IV in studies for which that information was available, and for stages I-II versus stage III in studies that did not include metastatic patients. Conclusions Despite inter-study heterogeneity, our meta-analysis showed a higher rate of metastatic tumors at diagnosis after the pandemic. The burden of social distancing policies might explain those results, as patients may have delayed seeking care.
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Dates et versions

hal-04425493 , version 1 (30-01-2024)

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Simon Marty, Guillaume Lamé, Etienne Guével, Sonia Priou, Gilles Chatellier, et al.. Impact of the Sars-Cov-2 outbreak on the initial clinical presentation of new solid cancer diagnoses: a systematic review and meta-analysis. BMC Cancer, 2024, 24 (1), pp.143. ⟨10.1186/s12885-023-11795-1⟩. ⟨hal-04425493⟩
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